Technipol® 32 is a co-polyester based thermoplastic adhesive designed for the production of air and oil filters in the automotive industry.
Technipol® 32 is characterised by:
- a high chemical resistance (mineral oil and diesel vapours)
- a good thermal resistance, compatible with the paper curing temperatures
- a high flexibility, that assures the integrity of the filter during all production steps
Properties |
Test method |
U.M. |
Values |
Melting temperature |
ASTM D 3418 / ISO 11357-3 |
°C |
185 |
Brookfield viscosity* (210 °C) |
MI 12 |
Pa*s |
34 |
Viscosity - MFI 210 °C 0.325 Kg |
ASTM D 1238 / ISO 1133 |
g/10 min |
43 |
Density |
ASTM D 792 / ISO 1183 |
g/cm3 |
1,11 |
Elongation at break |
ASTM D 638 / ISO 527 |
% |
> 500 |
*Cone/ plate Viscometer, Model Brookfield CAP 2000+.
Extruders are recommended when applying this grade.
Suggested temperature profile for extrusion:
UNDER HOPPER |
FEEDING ZONE |
COMPRESSION ZONE |
METERING ZONE |
EXTRUSION DIE/ HOSE |
NOZZLE |
100° – 120°C |
140° – 160°C |
180° – 210°C |
220° - 240°C |
240° - 250°C |
240° - 250°C |
25 kg bags equipped with an aluminum film barrier against moisture action.
500 kg cardboard octabins equipped with an inner PE liner.
Technipol® 32 can be stored for 12 months if stocked in a cool and dry place and protected from light.
When stocked around 5 – 10°C or below, it is recommended to keep it at 15 – 20°C for at least for 24 hours before using it.